| 1,10 → 1,46 |
|---|
| /* This file contains the procedures for support directory operations. */ |
| /* |
| * Copyright (c) 1987,1997, Prentice Hall |
| * All rights reserved. |
| * |
| * Redistribution and use of the MINIX operating system in source and |
| * binary forms, with or without modification, are permitted provided |
| * that the following conditions are met: |
| |
| /* Methods: |
| * do_sum: return total number of directory entries |
| * do_readentry: fill in the user buffer with directory entry specified by number |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| |
| * - Neither the name of Prentice Hall nor the names of the software |
| * authors or contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS, AUTHORS, AND |
| * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL PRENTICE HALL OR ANY AUTHORS OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup FileSystemImpl |
| * @{ |
| */ |
| |
| /** |
| * @file dir.c |
| * @brief This file contains the procedures for support directory operations. |
| */ |
| |
| #include <stdio.h> |
| #include "fs.h" |
| 13,7 → 49,9 |
|---|
| #include "inode.h" |
| #include "param.h" |
| |
| |
| /** |
| * Return total number of directory entries |
| */ |
| int do_sum() |
| { |
| |
| 40,7 → 78,9 |
|---|
| return dir_count; |
| } |
| |
| |
| /** |
| * Fill in the user buffer with directory entry specified by number |
| */ |
| int do_readentry() |
| { |
| |
| 93,3 → 133,7 |
|---|
| } |
| |
| |
| /** |
| * } |
| */ |
| |